title: Genetic analysis of the ompB locus in Escherichia coli K-12.
mesh_terms: D002874:Chromosome Mapping; D002876:Chromosomes, Bacterial; D003433:Crosses, Genetic; D004926:Escherichia coli / Q000201:enzymology / Q000235:genetics* / Q000648:ultrastructure; D005798:Genes, Bacterial; D005809:Genes, Regulator; D005816:Genetic Complementation Test; D009154:Mutation; D010641:Phenotype; D001616:beta-Galactosidase / Q000378:metabolism
chemical_list: D001616:beta-Galactosidase